Nokea
The nurse is assessing the patient for the presence of a Chvostek's sign. What electrolyte imbalance does a positive Chvostek's sign indicate?
- A. Hypermagnesemia
- B. Hypomagnesemia
- C. Hypocalcemia
- D. Hyperkalemia
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
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A nurse admitting a patient with a history of emphysema reviews her past lab reports and notes that the patient's PaCO2 has been 56 to 64 mmHg. The nurse will be cautious administering oxygen because:
- A. The patient's calcium will rise dramatically due to pituitary stimulation.
- B. The oxygen will increase the patient's intracranial pressure and create confusion.
- C. The oxygen may cause the patient to hyperventilate and become acidotic.
- D. Using oxygen may result in the patient developing carbon dioxide narcosis and hypoxemia.
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
A nurse preparing to start an IV on a newly admitted patient teaches the patient about the procedure and begins to prepare the site. The nurse should always start by:
- A. Leaving one hand ungloved to assess the site
- B. Preparing the skin with an iodine solution
- C. Asking the patient if he is allergic to latex or iodine
- D. Removing excessive hair at the selected site
Correct Answer: C
Rationale: Before preparing the skin, the nurse should ask the patient if he or she is allergic to latex or iodine, which are products commonly used in setting up for IV therapy. A local reaction could result in irritation to the IV site or, in the extreme, it could result in anaphylaxis, which can be life threatening.
The nurse is evaluating a patient's laboratory results. Based upon the laboratory findings, what results will cause the release of an antidiuretic hormone (ADH)?
- A. Increased serum sodium
- B. Decreased serum sodium
- C. Decrease in serum osmolality
- D. Decrease in thirst
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
The nurse assessing skin turgor in an elderly patient should remember that:
- A. Overhydration causes the skin to tent.
- B. Dehydration causes the skin to appear edematous and spongy.
- C. Inelastic skin turgor is a normal part of aging.
- D. Normal skin turgor is moist and boggy.
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
A patient's lab results show a slight decrease in potassium. The physician has declined to treat with drug therapy but has suggested increasing the potassium through diet. Which of the following would be a good source of potassium?
- A. Apples
- B. Asparagus
- C. Carrots
- D. Bananas
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.